Year % of GNI 2004 -93.5963661140689 2005 -88.8708087783497 2006 -9.19889439404325 2007 -96.3584725742135 2008 -56.0846399838623 2009 -33.316797622743 2010 -53.122873303454 2011 -49.8792116288472 2012 -59.5752232161519 2013 -69.1332070485483 2014 -80.5730846855296 2015 -73.3000565705608 2016 -83.4948975108692 2017 -97.790323406714